Physics 1999 JAMB Past Questions

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The equation of a wave traveling along the positive x-direction is given by;
y = 0.25 x 10\(^{-3}\) sin (500t - 0.025x).
Determine the angular frequency of the wave motion.

A. 0.25 x 10^-3rad s^-1
B. 0.25 x 10^-1rad s^-1
C. 5.00 x 10²rad s^-1
D. 2.50 x 10³rad s^-1

View Answer & Discuss (39) JAMB 1999

If a sound wave goes from a cold air region to a hot air region, its wavelength will

A. increase
B. decrease
C. decrease then increase
D. remain constant

View Answer & Discuss (46) JAMB 1999

The lowest note emitted by a stretched string has a frequency of 40Hz. How many overtones are there between 40hz and 180Hz?

A. 4
B. 3
C. 2
D. 1

View Answer & Discuss (8) JAMB 1999

A man stands 4m in front of a plane mirror. If the mirror is moved 1m towards the man, the distance between him and his new image is

A. 3m
B. 5m
C. 6m
D. 10m

View Answer & Discuss (16) JAMB 1999

The inside portion of part of a hollow metal sphere of diameter 20cm is polished. The portion will therefore form a

A. concave mirror of focal length 5cm
B. concave mirror of focal length 10cm
C. convex mirror of focal length 5cm
D. convex mirror of focal length 20cm

View Answer & Discuss (47) JAMB 1999

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Physics 1999 JAMB Past Questions

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